diff --git a/src/frontend/apps/e2e/__tests__/app-impress/header.spec.ts b/src/frontend/apps/e2e/__tests__/app-impress/header.spec.ts
index e2508a69..b29f610b 100644
--- a/src/frontend/apps/e2e/__tests__/app-impress/header.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-impress/header.spec.ts
@@ -10,8 +10,6 @@ test.describe('Header', () => {
   test('checks all the elements are visible', async ({ page }) => {
     const header = page.locator('header').first();
 
-    await expect(header.getByAltText('Gouvernement Logo')).toBeVisible();
-
     await expect(header.getByAltText('Docs Logo')).toBeVisible();
     await expect(header.locator('h2').getByText('Docs')).toHaveCSS(
       'color',
@@ -67,6 +65,42 @@ test.describe('Header', () => {
   });
 });
 
+test.describe('Header mobile', () => {
+  test.use({ viewport: { width: 500, height: 1200 } });
+
+  test.beforeEach(async ({ page }) => {
+    await page.goto('/');
+  });
+
+  test('it checks the header when mobile', async ({ page }) => {
+    const header = page.locator('header').first();
+
+    await expect(
+      header.getByRole('button', {
+        name: 'Les services de La Suite numérique',
+      }),
+    ).toBeVisible();
+
+    await expect(
+      page.getByRole('button', {
+        name: 'Logout',
+      }),
+    ).toBeHidden();
+
+    await expect(page.getByAltText('Language Icon')).toBeHidden();
+
+    await header.getByLabel('Open the header menu').click();
+
+    await expect(
+      page.getByRole('button', {
+        name: 'Logout',
+      }),
+    ).toBeVisible();
+
+    await expect(page.getByAltText('Language Icon')).toBeVisible();
+  });
+});
+
 test.describe('Header: Log out', () => {
   test.use({ storageState: { cookies: [], origins: [] } });
 
diff --git a/src/frontend/apps/impress/src/core/auth/AccountDropdown.tsx b/src/frontend/apps/impress/src/core/auth/ButtonLogin.tsx
similarity index 94%
rename from src/frontend/apps/impress/src/core/auth/AccountDropdown.tsx
rename to src/frontend/apps/impress/src/core/auth/ButtonLogin.tsx
index 43344d4b..f54fab32 100644
--- a/src/frontend/apps/impress/src/core/auth/AccountDropdown.tsx
+++ b/src/frontend/apps/impress/src/core/auth/ButtonLogin.tsx
@@ -4,7 +4,7 @@ import { useTranslation } from 'react-i18next';
 
 import { useAuthStore } from '@/core/auth';
 
-export const AccountDropdown = () => {
+export const ButtonLogin = () => {
   const { t } = useTranslation();
   const { logout, authenticated, login } = useAuthStore();
 
diff --git a/src/frontend/apps/impress/src/core/auth/index.ts b/src/frontend/apps/impress/src/core/auth/index.ts
index abae4bc5..e45c9a64 100644
--- a/src/frontend/apps/impress/src/core/auth/index.ts
+++ b/src/frontend/apps/impress/src/core/auth/index.ts
@@ -1,4 +1,4 @@
-export * from './AccountDropdown';
 export * from './api/types';
 export * from './Auth';
+export * from './ButtonLogin';
 export * from './useAuthStore';
diff --git a/src/frontend/apps/impress/src/features/header/components/Burger/Burger.module.css b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.module.css
new file mode 100644
index 00000000..506ecfbe
--- /dev/null
+++ b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.module.css
@@ -0,0 +1,32 @@
+.burgerIcon {
+  cursor: pointer;
+  transform: translate(-20%, 0%);
+}
+
+.burgerIcon path {
+  stroke-width: 40;
+  stroke-linecap: round;
+  fill: none;
+  transition: all 0.5s ease-in-out;
+}
+
+/* In menu form */
+.burgerIcon path:first-child,
+.burgerIcon path:last-child {
+  stroke-dasharray: 240px 910px;
+}
+
+.burgerIcon .middle_bar {
+  stroke-dasharray: 240px 240px;
+}
+
+/* In cross form */
+.open path:first-child,
+.open path:last-child {
+  stroke-dashoffset: -650px;
+}
+
+.open :nth-child(2) {
+  stroke-dasharray: 0 220px;
+  stroke-dashoffset: -120px;
+}
diff --git a/src/frontend/apps/impress/src/features/header/components/Burger/Burger.spec.tsx b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.spec.tsx
new file mode 100644
index 00000000..dcf7c10f
--- /dev/null
+++ b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.spec.tsx
@@ -0,0 +1,18 @@
+import { render, screen } from '@testing-library/react';
+import React from 'react';
+
+import { Burger } from './Burger';
+
+describe('<Burger />', () => {
+  test('Burger interactions', () => {
+    const { rerender } = render(<Burger isOpen={true} />);
+
+    const burger = screen.getByRole('img');
+    expect(burger).toBeInTheDocument();
+    expect(burger.classList.contains('open')).toBeTruthy();
+
+    rerender(<Burger isOpen={false} />);
+
+    expect(burger.classList.contains('open')).not.toBeTruthy();
+  });
+});
diff --git a/src/frontend/apps/impress/src/features/header/components/Burger/Burger.tsx b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.tsx
new file mode 100644
index 00000000..c5941f81
--- /dev/null
+++ b/src/frontend/apps/impress/src/features/header/components/Burger/Burger.tsx
@@ -0,0 +1,31 @@
+import { SVGProps } from 'react';
+
+import { Box } from '@/components';
+import { useCunninghamTheme } from '@/cunningham';
+
+import styles from './Burger.module.css';
+import BurgerIcon from './burger.svg';
+
+type BurgerProps = SVGProps<SVGSVGElement> & {
+  isOpen: boolean;
+};
+
+export const Burger = ({ isOpen, ...props }: BurgerProps) => {
+  const { colorsTokens } = useCunninghamTheme();
+
+  return (
+    <Box
+      $color={colorsTokens()['primary-text']}
+      $padding="none"
+      $justify="center"
+    >
+      <BurgerIcon
+        role="img"
+        className={`${styles.burgerIcon} ${isOpen ? styles.open : ''}`}
+        {...props}
+      />
+    </Box>
+  );
+};
+
+export default Burger;
diff --git a/src/frontend/apps/impress/src/features/header/components/Burger/burger.svg b/src/frontend/apps/impress/src/features/header/components/Burger/burger.svg
new file mode 100644
index 00000000..ac1d6e3a
--- /dev/null
+++ b/src/frontend/apps/impress/src/features/header/components/Burger/burger.svg
@@ -0,0 +1,10 @@
+<svg viewBox="280 230 400 200" stroke="currentColor">
+  <path
+    d="M300,220 C300,220 520,220 540,220 C740,220 640,540 520,420 C440,340 300,200 300,200"
+  />
+  <path d="M300,320 L540,320" />
+  <path
+    d="M300,210 C300,210 520,210 540,210 C740,210 640,530 520,410 C440,330 300,190 300,190"
+    transform="translate(480, 320) scale(1, -1) translate(-480, -318)"
+  />
+</svg>
diff --git a/src/frontend/apps/impress/src/features/header/components/DropdownMenu.tsx b/src/frontend/apps/impress/src/features/header/components/DropdownMenu.tsx
new file mode 100644
index 00000000..1b17fc9e
--- /dev/null
+++ b/src/frontend/apps/impress/src/features/header/components/DropdownMenu.tsx
@@ -0,0 +1,46 @@
+import { useState } from 'react';
+import { useTranslation } from 'react-i18next';
+
+import { Box, DropButton } from '@/components';
+import { ButtonLogin } from '@/core';
+import { useCunninghamTheme } from '@/cunningham';
+import { LanguagePicker } from '@/features/language';
+
+import { Burger } from './Burger/Burger';
+
+export const DropdownMenu = () => {
+  const { colorsTokens } = useCunninghamTheme();
+  const [isDropOpen, setIsDropOpen] = useState(false);
+  const { t } = useTranslation();
+
+  return (
+    <DropButton
+      button={
+        <Burger
+          isOpen={isDropOpen}
+          width={30}
+          height={30}
+          aria-controls="menu"
+          aria-label={t('Open the header menu')}
+        />
+      }
+      onOpenChange={(isOpen) => setIsDropOpen(isOpen)}
+      isOpen={isDropOpen}
+    >
+      <Box $align="center" $direction="column">
+        <Box
+          $width="100%"
+          $align="center"
+          $height="36px"
+          $justify="center"
+          $css={`&:hover{background:${colorsTokens()['primary-150']}}`}
+          $hasTransition
+          $radius="2px"
+        >
+          <LanguagePicker />
+        </Box>
+        <ButtonLogin />
+      </Box>
+    </DropButton>
+  );
+};
diff --git a/src/frontend/apps/impress/src/features/header/Header.tsx b/src/frontend/apps/impress/src/features/header/components/Header.tsx
similarity index 50%
rename from src/frontend/apps/impress/src/features/header/Header.tsx
rename to src/frontend/apps/impress/src/features/header/components/Header.tsx
index f5802b3d..7e022e5d 100644
--- a/src/frontend/apps/impress/src/features/header/Header.tsx
+++ b/src/frontend/apps/impress/src/features/header/components/Header.tsx
@@ -1,59 +1,40 @@
 import Image from 'next/image';
 import React from 'react';
 import { useTranslation } from 'react-i18next';
-import styled from 'styled-components';
 
 import { Box, StyledLink, Text } from '@/components/';
-import { AccountDropdown } from '@/core/auth';
-import { useCunninghamTheme } from '@/cunningham';
+import { ButtonLogin } from '@/core/auth';
+import { LanguagePicker } from '@/features/language';
+import { useResponsiveStore } from '@/stores';
 
-import { LanguagePicker } from '../language/';
+import { default as IconDocs } from '../assets/icon-docs.svg?url';
 
+import { DropdownMenu } from './DropdownMenu';
 import { LaGaufre } from './LaGaufre';
-import { default as IconDocs } from './assets/icon-docs.svg?url';
-
-export const HEADER_HEIGHT = '100px';
-
-const RedStripe = styled.div`
-  position: absolute;
-  height: 5px;
-  width: 100%;
-  background: var(--c--theme--colors--danger-500);
-  top: 0;
-`;
 
 export const Header = () => {
   const { t } = useTranslation();
-  const { themeTokens } = useCunninghamTheme();
-  const logo = themeTokens().logo;
+  const { isSmallMobile } = useResponsiveStore();
 
   return (
     <Box
       as="header"
       $justify="center"
       $width="100%"
-      $height={HEADER_HEIGHT}
       $zIndex="100"
+      $padding={{ vertical: 'xtiny' }}
       $css="box-shadow: 0 1px 4px #00000040;"
     >
-      <RedStripe />
       <Box
-        $margin={{ horizontal: 'xbig' }}
+        $margin={{
+          left: 'big',
+          right: isSmallMobile ? 'none' : 'big',
+        }}
         $align="center"
         $justify="space-between"
         $direction="row"
       >
-        <Box $gap="6rem" $direction="row">
-          {logo && (
-            <Image
-              priority
-              src={logo.src}
-              alt={logo.alt}
-              width={0}
-              height={0}
-              style={{ width: logo.widthHeader, height: 'auto' }}
-            />
-          )}
+        <Box>
           <StyledLink href="/">
             <Box
               $align="center"
@@ -63,32 +44,45 @@ export const Header = () => {
               $height="fit-content"
               $margin={{ top: 'auto' }}
             >
-              <Image priority src={IconDocs} alt={t('Docs Logo')} width={38} />
+              <Image priority src={IconDocs} alt={t('Docs Logo')} width={25} />
               <Text
-                $padding="3px 5px"
+                $padding="2px 3px"
                 $size="8px"
                 $background="#368bd6"
                 $color="white"
                 $position="absolute"
                 $radius="5px"
                 $css={`
-                  bottom: 21px;
-                  right: -21px;
+                  bottom: 13px;
+                  right: -17px;
                 `}
               >
                 BETA
               </Text>
-              <Text $margin="none" as="h2" $theme="primary" $zIndex={1}>
+              <Text
+                $margin="none"
+                as="h2"
+                $theme="primary"
+                $zIndex={1}
+                $size="1.30rem"
+              >
                 {t('Docs')}
               </Text>
             </Box>
           </StyledLink>
         </Box>
-        <Box $align="center" $gap="1.5rem" $direction="row">
-          <AccountDropdown />
-          <LanguagePicker />
-          <LaGaufre />
-        </Box>
+        {isSmallMobile ? (
+          <Box $direction="row" $gap="2rem">
+            <LaGaufre />
+            <DropdownMenu />
+          </Box>
+        ) : (
+          <Box $align="center" $gap="2vw" $direction="row">
+            <ButtonLogin />
+            <LanguagePicker />
+            <LaGaufre />
+          </Box>
+        )}
       </Box>
     </Box>
   );
diff --git a/src/frontend/apps/impress/src/features/header/LaGaufre.tsx b/src/frontend/apps/impress/src/features/header/components/LaGaufre.tsx
similarity index 63%
rename from src/frontend/apps/impress/src/features/header/LaGaufre.tsx
rename to src/frontend/apps/impress/src/features/header/components/LaGaufre.tsx
index 58dbdefa..627ac8ee 100644
--- a/src/frontend/apps/impress/src/features/header/LaGaufre.tsx
+++ b/src/frontend/apps/impress/src/features/header/components/LaGaufre.tsx
@@ -2,6 +2,13 @@ import { Gaufre } from '@gouvfr-lasuite/integration';
 import '@gouvfr-lasuite/integration/dist/css/gaufre.css';
 import Script from 'next/script';
 import React from 'react';
+import { createGlobalStyle } from 'styled-components';
+
+const GaufreStyle = createGlobalStyle`
+  .lasuite-gaufre-btn{
+    box-shadow: inset 0 0 0 0 !important;
+  }
+`;
 
 export const LaGaufre = () => (
   <>
@@ -10,6 +17,7 @@ export const LaGaufre = () => (
       strategy="lazyOnload"
       id="lasuite-gaufre-script"
     />
-    <Gaufre />
+    <GaufreStyle />
+    <Gaufre variant="small" />
   </>
 );
diff --git a/src/frontend/apps/impress/src/features/header/index.ts b/src/frontend/apps/impress/src/features/header/index.ts
index 266dec8a..428157f9 100644
--- a/src/frontend/apps/impress/src/features/header/index.ts
+++ b/src/frontend/apps/impress/src/features/header/index.ts
@@ -1 +1 @@
-export * from './Header';
+export * from './components/Header';
diff --git a/src/frontend/apps/impress/src/features/language/LanguagePicker.tsx b/src/frontend/apps/impress/src/features/language/LanguagePicker.tsx
index 990cd772..e40a8475 100644
--- a/src/frontend/apps/impress/src/features/language/LanguagePicker.tsx
+++ b/src/frontend/apps/impress/src/features/language/LanguagePicker.tsx
@@ -10,12 +10,12 @@ import IconLanguage from './assets/icon-language.svg?url';
 
 const SelectStyled = styled(Select)<{ $isSmall?: boolean }>`
   flex-shrink: 0;
-  width: 5.5rem;
+  width: auto;
 
   .c__select__wrapper {
     min-height: 2rem;
     height: auto;
-    border-color: #ddd;
+    border-color: transparent;
     padding: 0 0.15rem 0 0.45rem;
     border-radius: 1px;
 
@@ -28,7 +28,7 @@ const SelectStyled = styled(Select)<{ $isSmall?: boolean }>`
     }
 
     &:hover {
-      border-color: var(--c--theme--colors--primary-500);
+      box-shadow: var(--c--theme--colors--primary-100) 0 0 0 2px !important;
     }
   }
 `;
diff --git a/src/frontend/apps/impress/src/layouts/MainLayout.tsx b/src/frontend/apps/impress/src/layouts/MainLayout.tsx
index db050df1..5176557e 100644
--- a/src/frontend/apps/impress/src/layouts/MainLayout.tsx
+++ b/src/frontend/apps/impress/src/layouts/MainLayout.tsx
@@ -1,6 +1,6 @@
 import { Box } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
-import { HEADER_HEIGHT, Header } from '@/features/header';
+import { Header } from '@/features/header';
 
 export function MainLayout({ children }: { children: React.ReactNode }) {
   const { colorsTokens } = useCunninghamTheme();
@@ -12,7 +12,7 @@ export function MainLayout({ children }: { children: React.ReactNode }) {
         <Box $css="flex: 1;" $direction="row">
           <Box
             as="main"
-            $minHeight={`calc(100vh - ${HEADER_HEIGHT})`}
+            $minHeight="100vh"
             $width="100%"
             $background={colorsTokens()['primary-bg']}
           >
diff --git a/src/frontend/apps/impress/src/pages/_app.tsx b/src/frontend/apps/impress/src/pages/_app.tsx
index 48b8a2d0..6af42f45 100644
--- a/src/frontend/apps/impress/src/pages/_app.tsx
+++ b/src/frontend/apps/impress/src/pages/_app.tsx
@@ -28,6 +28,7 @@ export default function App({ Component, pageProps }: AppPropsWithLayout) {
           )}
         />
         <link rel="icon" href="/favicon.ico" sizes="any" />
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
       </Head>
       <AppProvider>{getLayout(<Component {...pageProps} />)}</AppProvider>
     </>